Abstract
The miscibility of the poly(ϵ-caprolactone)/poly(vinyl methyl ether), PCL/PVME system, is investigated by differential scanning calorimetry. Thermal analysis results indicate that the system is semicrystalline/amorphous and the PCL degree of crystallinity is influenced significantly by the composition of the mixture as well as by the thermal treatment. The two polymers form blends containing a single amorphous miscible phase over the entire composition range as evidenced by the constant presence of a single glass transition temperature, T g. A phase separation process occurs when the blends are heated just above the melting point of PCL, giving a lower critical solution temperature (LCST) behaviour.
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